diff options
| author | Jack Zhang <Jack.Zhang1@amd.com> | 2021-05-12 15:06:35 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 15:16:58 -0400 |
| commit | c530b02f39850a639b72d01ebbf7e5d745c60831 (patch) | |
| tree | 274c664d421fc31914f5b6a241094cd29231e011 /drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | |
| parent | 554594567b1fa3da74f88ec7b2dc83d000c58e98 (diff) | |
drm/amd/amdgpu embed hw_fence into amdgpu_job
Why: Previously hw fence is alloced separately with job.
It caused historical lifetime issues and corner cases.
The ideal situation is to take fence to manage both job
and fence's lifetime, and simplify the design of gpu-scheduler.
How:
We propose to embed hw_fence into amdgpu_job.
1. We cover the normal job submission by this method.
2. For ib_test, and submit without a parent job keep the
legacy way to create a hw fence separately.
v2:
use AMDGPU_FENCE_FLAG_EMBED_IN_JOB_BIT to show that the fence is
embedded in a job.
v3:
remove redundant variable ring in amdgpu_job
v4:
add tdr sequence support for this feature. Add a job_run_counter to
indicate whether this job is a resubmit job.
v5
add missing handling in amdgpu_fence_enable_signaling
Signed-off-by: Jingwen Chen <Jingwen.Chen2@amd.com>
Signed-off-by: Jack Zhang <Jack.Zhang7@hotmail.com>
Reviewed-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed by: Monk Liu <monk.liu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_job.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_job.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h index 81caac9b958a..9e65730193b8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_job.h @@ -46,7 +46,8 @@ struct amdgpu_job { struct amdgpu_sync sync; struct amdgpu_sync sched_sync; struct amdgpu_ib *ibs; - struct dma_fence *fence; /* the hw fence */ + struct dma_fence hw_fence; + struct dma_fence *external_hw_fence; uint32_t preamble_status; uint32_t preemption_status; uint32_t num_ibs; @@ -62,6 +63,9 @@ struct amdgpu_job { /* user fence handling */ uint64_t uf_addr; uint64_t uf_sequence; + + /* job_run_counter >= 1 means a resubmit job */ + uint32_t job_run_counter; }; int amdgpu_job_alloc(struct amdgpu_device *adev, unsigned num_ibs, |